Fix DebugInfo/prologue.swift for
Fix DebugInfo/prologue.swift for

llvm-project commit 1813652b0398345c4b4407d5fd5ffb749830fdd4 removed the
prologue_end, so this test started failing. That directive is now
annotated with `is_stmt 0`.

JGiola/swift,glessard/swift,rudkx/swift,benlangmuir/swift,apple/swift,benlangmuir/swift,JGiola/swift,ahoppen/swift,atrick/swift,rudkx/swift,xwu/swift,rudkx/swift,rudkx/swift,ahoppen/swift,xwu/swift,glessard/swift,roambotics/swift,gregomni/swift,rudkx/swift,JGiola/swift,gregomni/swift,roambotics/swift,apple/swift,apple/swift,glessard/swift,roambotics/swift,xwu/swift,atrick/swift,JGiola/swift,glessard/swift,gregomni/swift,benlangmuir/swift,rudkx/swift,xwu/swift,atrick/swift,atrick/swift,ahoppen/swift,ahoppen/swift,xwu/swift,ahoppen/swift,gregomni/swift,JGiola/swift,xwu/swift,glessard/swift,xwu/swift,JGiola/swift,benlangmuir/swift,roambotics/swift,apple/swift,gregomni/swift,ahoppen/swift,glessard/swift,roambotics/swift,gregomni/swift,apple/swift,atrick/swift,apple/swift,roambotics/swift,benlangmuir/swift,atrick/swift,benlangmuir/swift